已知集合a(x,y)2x-y-5=0 b(x,y)x+3y+1=0 求A∩B
已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3}求A∩B,A
已知集合A={(x,y)/2x—y=0},B={(x,y)/3x+y=0 }.C={(x,Y)/2x-y=3},求A∩B
已知集合A={(x,y|2x-y=0)},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3},求A∩B,
1.已知集合A={(x,y)|y=2x+1},B={(x,y)|y=x+3},a∈A,b∈B,求a
已知集合A={(x,y)|3x-7y=-5},B={(x,y)|2x+9y=40},求A∩B(用列举
已知集合A=〖(x,y)/2x-y=0〗,B=〖(x,y)/3x+y=0〗,求A交B
1.已知集合A={(X,Y)│2X-Y=0},B={(X,Y)│3X+Y=0},C={(X,Y)│2X-Y=3},求A∩
急:已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3} 求A∩
已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3},求集合A交
已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3},求A交B,
已知集合A={(x,y)|2x-y=0},B={(x,y)|3x+y=0},C={(x,y)|2x-y=3},求A与B的
已知集合A={(x,y)|2x+3y=6},B={(x,y)|x-2y=-4},求A∩B,